Home / 135,619.86-203,429.76-45,655.02

Finding the Fourth Proportional to 135,619.86, 203,429.76 and 45,655.02

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Solution

The fourth proportional to 135,619.86, 203,429.76 and 45,655.02 is: 68,482.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,619.86 : 203,429.76 = 45,655.02 : x
  2. Step 2: Convert to fraction form
    135,619.86/203,429.76 = 45,655.02/x
  3. Step 3: Cross multiply
    135,619.86x = 203,429.76 × 45,655.02
  4. Step 4: Simplify right side
    135,619.86x = 9,287,589,761.40
  5. Step 5: Solve for x
    x = 9,287,589,761.40/135,619.86
  6. Step 6: Final answer
    x = 68,482.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.